A scuba diver ascends too quickly and develops the bends. A nitrogen bubble has formed in the patient's elbow. At a depth of 55 ft, where the pressure is 2.66 atm, the bubble had a volume of 0.022 mL. Assuming a constant temperature and number of moles of nitrogen in the bubble, what volume did the bubble increase to at the surface, where the pressure is 1.00 atm?

since PV is constant, you want

1.0*V = 2.66 * 0.022